Home / 39,226.72-54,133.93-21,322.94

Finding the Fourth Proportional to 39,226.72, 54,133.93 and 21,322.94

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Solution

The fourth proportional to 39,226.72, 54,133.93 and 21,322.94 is: 29,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.72 : 54,133.93 = 21,322.94 : x
  2. Step 2: Convert to fraction form
    39,226.72/54,133.93 = 21,322.94/x
  3. Step 3: Cross multiply
    39,226.72x = 54,133.93 × 21,322.94
  4. Step 4: Simplify right side
    39,226.72x = 1,154,294,270.68
  5. Step 5: Solve for x
    x = 1,154,294,270.68/39,226.72
  6. Step 6: Final answer
    x = 29,426.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.